PROTEI Call Back Server provides convenient and efficient way to access the telecommunications services for non-CAMEL roaming subscribers. Calls can be ordered by sending SMS or USSD messages. System supports flexible routing functions, powerful policy management (including subscriber location analysis) and open interface (CAMEL, DIAMETER or XML) for integration with the third party Prepaid platforms.

PROTEI Call Back Server Advantages:

• SMPP for requests from SMS/USSD gateway
• Internet call requests by email or web interface
• SMS-alert to calling party if call cannot be made